Rivière-au-Tonnerre - 02750


Predictions will no longer be available for this station starting Jan, 2024.

Station Information

Code: 02750

Province: Quebec

Location: 50.273333, -64.761

Type: Temporary

Operational: False

Owner: Canadian Hydrographic Service


Height of tide is the vertical distance between the surface of the sea and chart datum.

Heights - Relative to chart datum
ID Height(m) Date
High Water Level 1.7 N/A
Lower Low Water Large Tide -0.24 N/A
Highest Astronomical Tide 2.45 N/A
Low Water Level 0.22 N/A
Lower Low Water Mean Tide 0.18 N/A
Mean Water Level 0.98 N/A
Higher High Water Large Tide 2.4 N/A
Higher High Water Mean Tide 1.96 N/A
Lowest Astronomical Tide -0.28 N/A

Chart datum is the plane of vertical reference to which all charted depths and drying heights are related. More info

Datum Conversion
Vertical Datum Offset (m)
CGVD28 -1.1
CGVD2013 -1.6

The information contained in this product is established under the CD datum. The CHS does not establish and maintain other vertical datums such as CGVD28, CGVD2013, IGLD (1955) and IGLD (1985). References to these datums represent the best available information, to be used with caution and sound judgment where required, but it is not intended to be used for navigation.

Benchmark Number Elevation (m) Unique Label Established Condition Latitude Longitude More Info
80L389 5.82 80L389 1986 GOOD 50.276667 -64.783333 More Info
80L392 4.683 80L392 1986 GOOD 50.271667 -64.763343 More Info
80L394 19.063 80L394 1986 GOOD 50.276667 -64.758333 More Info
88L9005 8.527 88L9005 1986 GOOD 50.274586 -64.782656 More Info
TF307 17.352 80KT009 1986 GOOD 50.271767 -64.763333 More Info
4-1976 N/A 76L9001 1976 GOOD 50.273333 -64.761667 More Info
TONNERRE 6.016 8724048 2000 GOOD 50.273611 -64.780833 More Info
HS-6453 7.418 7629233 1976 GOOD 50.275222 -64.781278 More Info
HS-6454 5.228 7629232 1976 GOOD 50.273326 -64.781017 More Info